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Terrain Classification and Classifier Fusion for Planetary Exploration Rovers

Halatci, Ibrahim (författare)
Massachusetts Institute of Technology, Department of Mechanical Engineering, 77 Massachusetts Avenue, Cambridge, MA 02139, United States
Brooks, Christopher A. (författare)
Massachusetts Institute of Technology, Department of Mechanical Engineering, 77 Massachusetts Avenue, Cambridge, MA 02139, United States
Iagnemma, Karl (författare)
Massachusetts Institute of Technology, Department of Mechanical Engineering, 77 Massachusetts Avenue, Cambridge, MA 02139, United States
 (creator_code:org_t)
Piscataway : IEEE Press, 2007
2007
Engelska.
Ingår i: Aerospace Conference, 2007 IEEE. - Piscataway : IEEE Press. - 1424405254 - 9781424405244 ; , s. 1-11
  • Konferensbidrag (refereegranskat)
Abstract Ämnesord
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  • Knowledge of the physical properties of terrain surrounding a planetary exploration rover can be used to allow a rover system to fully exploit its mobility capabilities. Here a study of multi-sensor terrain classification for planetary rovers in Mars and Mars-like environments is presented. Two classification algorithms for color, texture, and range features are presented based on maximum likelihood estimation and support vector machines. In addition, a classification method based on vibration features derived from rover wheel-terrain interaction is briefly described. Two techniques for merging the results of these "low-level" classifiers are presented that rely on Bayesian fusion and meta-classifier fusion. The performance of these algorithms is studied using images from NASA's Mars Exploration Rover mission and through experiments on a four-wheeled test-bed rover operating in Mars-analog terrain. It is shown that accurate terrain classification can be achieved via classifier fusion from visual and tactile features.

Ämnesord

TEKNIK OCH TEKNOLOGIER  -- Elektroteknik och elektronik -- Robotteknik och automation (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Electrical Engineering, Electronic Engineering, Information Engineering -- Robotics (hsv//eng)

Nyckelord

Bayesian methods
Classification algorithms
Layout
Mars
Maximum likelihood estimation
Merging
Support vector machine classification
Support vector machines
Testing
Wheels
Bayes methods
Image classification
Image colour analysis
Image texture
Maximum likelihood estimation
Planetary rovers
Sensor fusion
Support vector machines
Bayesian fusion
Mars
NASA Mars Exploration Rover mission
Classifier fusion
Four-wheeled test-bed rover
Maximum likelihood estimation
Meta-classifier fusion
Multi-sensor terrain classification
Planetary exploration rovers
Rover wheel-terrain interaction
Support vector machines
Vibration features

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Av författaren/redakt...
Halatci, Ibrahim
Brooks, Christop ...
Iagnemma, Karl
Om ämnet
TEKNIK OCH TEKNOLOGIER
TEKNIK OCH TEKNO ...
och Elektroteknik oc ...
och Robotteknik och ...
Artiklar i publikationen
Aerospace Confer ...
Av lärosätet
Högskolan i Halmstad

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